test/hotspot/jtreg/compiler/c2/Test8bitLogicalOperators.java
author iignatyev
Mon, 18 Feb 2019 09:31:07 -0800
changeset 53791 bec6c8739833
parent 52451 82de990dfa10
permissions -rw-r--r--
8219157: vm/mlvm/mixed/stress/java/findDeadlock should be problem-listed only on mac Reviewed-by: thartmann

/*
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 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
 *
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 * under the terms of the GNU General Public License version 2 only, as
 * published by the Free Software Foundation.
 *
 * This code is distributed in the hope that it will be useful, but WITHOUT
 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
 * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
 * version 2 for more details (a copy is included in the LICENSE file that
 * accompanied this code).
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 * 2 along with this work; if not, write to the Free Software Foundation,
 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
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/*
 * @test
 * @bug 8213479
 * @summary Missing x86_64.ad patterns for 8-bit logical operators with destination in memory
 *
 * @run main/othervm -Xcomp -XX:-Inline -XX:CompileOnly=compiler.c2.Test8bitLogicalOperators::test
 *      compiler.c2.Test8bitLogicalOperators
 */

package compiler.c2;

public class Test8bitLogicalOperators {
    private static byte and = 0b0011, or = 0b0011, xor = 0b0011;
    private static byte mask = 0b0101;

    public static void main(String... args) {
        test();

        if (and != 0b0001 || or != 0b0111 || xor != 0b0110)
            throw new AssertionError("8-bit logical operator failure");
    }

    public static void test() {
        and &= mask;

        or |= mask;

        xor ^= mask;
    }
}